class wathcManage {
    private static _instance: wathcManage;
    private constructor() {
        // 私有构造函数，确保单例模式
    }
    public static getInstance(): wathcManage {
        if (!wathcManage._instance) {
            wathcManage._instance = new wathcManage();
        }
        return wathcManage._instance;
    }
}

export const watchManage = wathcManage.getInstance();